K. Ulf)rich, Monographie der afrikanisclien Pavonia-Aifen usw. 1()3 



b. Invülucrum 12 — 16-phylluni, bracteac 

 lineares calycc aequilonges vel hreviores; 

 calyx meniiiranaccus campanulatus non 

 usque medium partitus post antliesin vix 

 auctus fruclum non Icgens; tubus stami- 

 neus late cybndricus c basi usque ostium 

 aequaliter filamcntis brevissimis munilus, 

 anlherae lubi ostium non superantes; 

 — berbae perennes ramis procumbentil)us 

 fobis suborbicularibus vcl obtuso-lobalis . Sect, II. Afrolopimia Ulbricb 



II. Die Arten. 



Clavis specierum. 



Sect. I. Afrotyphalaeae et II. Äfrolophniae. 



A. Carpidia arislis Iribus retrobamosis munita a tergo 

 convexa vel plana; involucrum 7 — <2- (rarissime 

 G-)pbyllum, planlae ereclae Sect. I. Afrotyphalaea Ulbricl: 



a. Flores in glomeros densos axillares vel ad 

 ramuloium lerrainos congesti, vinosi, rosei vel 

 rosacei, sessiles vel subsessiles; involucrum 7 — 9- 

 phyllum, basi paululo connatum, pube densa 

 saepius inconspicuum. 



<(. Carpidia non marginata, aristis 2—3 mm 

 longis munita; tubus stamineus basi nudus; 

 (jlamenla in ostio tubi nuUa. 

 I. Plantae pilis stellatis et simplicibus serieeis 



bispidis scabridae carpidia a tergo laxe 



reticulata, plerumque glabra. 



1 . Carpidia aristis tribus munita .... \ . P. tcretis Cav. 



2. Carpidia arista unica 2. P. platanifolia Baker 



II. Plantae dense moüiter villoso-tomentosae; 



carpidia a tergo non reticulata sed retro- 



hamosa apice pilis stellatis vestita ... 3. P. irakuensis Ulbricb n. sp. 

 [^. Carpidia marginata, aristis brevissimis (dz i mm) 

 munita a tergo reticulata plantae pilis stellatis 

 et glandulosis scaberrimae lubus stamineus 

 e basi usque ostium et in ostio filamentis 

 brevibus dispersis vestita 7. P. Stolxii Ulbricb n. sp. 



b. Flores in inflorescentiam laxam dispositi vel 

 axillares nonnulli usque singuli, longius pedun- 

 culati. 



'z. Involucrum 7 — 12-phyllum usque basin par- 

 titum; corolla intus extrinsecusque glabra; 

 carpidia a tergo reticulata. 

 1. Involucrum calyce aequilongum ; styli 

 glabri; carpidiorum arista media plerum- 

 que brevior; carpidia dense et anguste 

 reticulata; flores albi rarius rosacei; planta 

 glabra vel adpresse tomentosa; folia pal- 

 matiloba 4. P. Scliimperiana Hocbst. 



